WD Purple™

DATA SHEET HARD DRIVES

WD Purple™ drives are built for 24/7, always-on, high-definition security systems. WD Purple™ surveillance storage feature Western Digital’s exclusive AllFrame™ technology, so you can confidently create a security system tailored to the needs of your business. Using AllFrame™ technology, WD Purple™ drives improve video capturing and helps to reduce errors, pixelation, and video interruptions that could happen in a video recorder system. WD Purple drives have an enhanced workload rating that supports systems designed for 24x7 video recording with up to 64 cameras.

Industry-leading storage. Surveillance you can trust. Western Digital is a worldwide leader in the hard drive industry. With WD Purple surveillance storage, you have a drive engineered for high temperature, always-on surveillance systems so you can rely on quality video playback when you need it most. Whether you’re protecting loved ones or monitoring your business, WD Purple offers performance you can trust.

Western Digital’s Exclusive AllFrame Technology Highlights All WD Purple drives are equipped with AllFrame technology, which improves ATA streaming to help reduce frame loss, improve overall video playback, and increase the number of hard • Capacity up to 12TB drive bays supported within a NVR. Help make your surveillance solution future-ready knowing • Support for up to 64 cameras per drive that WD Purple drives are ready for ultra high definition cameras. WD Purple capacities up to 8TB feature AllFrame 4K technology enabling high quality recording for up to 64 cameras. ™ • AllFrame technology WD Purple 10TB and 12TB capacities feature AllFrame AI technology that enables not only • Up to 16 AI channels for Deep Learning analytics recording up to 64 cameras, but also an additional 32 streams for Deep Learning analytics on AI-enabled NVRs (10TB & 12TB capacities) within the system. • MTBF of up to 1.5 million hours • 3-year limited warranty Enhanced Workload Ratings WD Purple drives with AllFrame 4K technology feature a workload rating of up to 180TB/year - up to three times that of desktop drives - to handle the unique demands of modern video INTERFACE PERFORMANCE CLASS surveillance DVR and NVR systems. WD Purple 10TB and 12TB drives with AllFrame AI feature a SATA 6 Gb/s 5400 / 7200 RPM Class workload rating up to 360TB/year to support the Deep Learning analytics that are features in AI capable NVRs.

FORM FACTOR CAPACITIES 3.5-inch 1TB to 12TB Expand your view to 64 Each WD Purple drive is optimized to support up to 64 cameras. With so many options, you MODEL NUMBERS have the flexibility to upgrade or expand your security system in the future. WD10PURZ WD40PURZ WD81PURZ WD121PURZ WD20PURZ WD60PURZ Designed for Today’s and Tomorrow’s Surveillance Solutions WD100PURZ WD30PURZ WD80PURZ With an MTBF of up to 1.5 million hours¹, WD Purple drives are engineered for mainstream WD101PURZ surveillance DVRs and NVRs that operate 24/7. With support for more than eight bays² and tarnish resistant components², WD Purple drives deliver reliable operation in large scale surveillance systems in harsh environments. THE WESTERN DIGITAL ADVANTAGE Field-proven High Capacity Western Digital puts our products through Now on its 4th generation and with more than 27 million drives shipped³, field-proven extensive Functional Integrity Testing (F.I.T.) prior HelioSeal™ technology delivers trusted high-capacity WD Purple storage (8TB, 10TB, and to any product launch. This testing ensures our 12TB) for the massive storage needs of 4K surveillance video. products consistently meet the highest quality and reliability standards of the Western Digital brand. Wide Compatibility. Seamless Integration. Western Digital also has a detailed Knowledge WD Purple hard drives are built with compatibility in mind, so you can quickly and seamlessly Base with more than 1,000 helpful articles as well add capacity to your surveillance system. With a wide range of industry-leading enclosures as software and utilities. Our customer support and chipsets supported, you’re sure to find the DVR or NVR configuration that’s right for you. lines have long operational hours to ensure you get Low Power. High efficiency. the help you need when you need it. Our toll-free customer support lines are here to help, or you With our exclusive IntelliSeek™ technology, WD Purple drives are able to calculate optimum seek speeds. This keeps power consumption low so ambient noise and vibrations are at a can access our Western Digital Support site for minimum. additional details. Three Year Limited Warranty As an industry-leading hard drive manufacturer, WD stands behind their surveillance storage solutions with a 3-year limited warranty included with every WD Purple drive. WD Purple™

DATA SHEET SURVEILLANCE HARD DRIVES

Specifications⁵ 12TB 10TB 10TB 8TB 8TB 6TB 4TB 3TB 2TB 1TB

Model Number⁴ WD121PURZ WD101PURZ WD100PURZ WD81PURZ WD80PURZ WD60PURZ WD40PURZ WD30PURZ WD20PURZ WD10PURZ Formatted capacity⁵ 12TB 10TB 10TB 8TB 8TB 6TB 4TB 3TB 2TB 1TB Form factor 3.5-inch 3.5-inch 3.5-inch 3.5-inch 3.5-inch 3.5-inch 3.5-inch 3.5-inch 3.5-inch 3.5-inch (AF) Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes RoHS compliant⁶ Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Product Features Cameras supported Up to 64 Up to 64 Up to 64 Up to 64 Up to 64 Up to 64 Up to 64 Up to 64 Up to 64 Up to 64 Drive Bays Supported 16+ 16+ 8+ 8+ 8+ 8+ 8+ 8 8 8 Al Streams 32 32 ------Firmware Feature Name AllFrame Al AllFrame Al AllFrame 4K AllFrame 4K AllFrame 4K AllFrame 4K AllFrame 4K AllFrame 4K AllFrame 4K AllFrame 4K Tarnish resistant components Yes Yes Yes Yes Yes Yes Yes No No No Performance Interface transfer rate (max)⁵ Buffer to host 6 Gb/s 6 Gb/s 6 Gb/s 6 Gb/s 6 Gb/s 6 Gb/s 6 Gb/s 6 Gb/s 6 Gb/s 6 Gb/s Host to/from drive (sustained) 235 MB/s 235 MB/s 210 MB/s 213 MB/s 178 MB/s 175 MB/s 150 MB/s 145 MB/s 145 MB/s 110 MB/s Cache (MB)⁵ 256 256 256 256 128 64 64 64 64 64 Performance Class 7200 RPM 7200 RPM 5400 RPM 5400 RPM 5400 RPM 5400 RPM 5400 RPM 5400 RPM 5400 RPM 5400 RPM Reliability/Data Integrity Load/unload cycles⁷ 300,000 300,000 300,000 300,000 300,000 300,000 300,000 300,000 300,000 300,000 Annualized workload rating⁸ 360TB/yr 360TB/yr 180TB/yr 180TB/yr 180TB/yr 180TB/yr 180TB/yr 180TB/yr 180TB/yr 180TB/yr Non-recoverable read errors per bits read <1 in 1015 <1 in 1015 <1 in 1014 <1 in 1014 <1 in 1014 <1 in 1014 <1 in 1014 <1 in 1014 <1 in 1014 <1 in 1014 MTBF 1,500,000 1,500,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 Limited warranty (years)⁹ 3 3 3 3 3 3 3 3 3 3 Power Management10 Average power requirements (W) Read/Write 6.6 6.3 6.2 9.0 6.4 5.3 5.1 4.4 4.4 3.3 Idle 5.6 5.2 5.0 8.12 5.7 4.9 4.5 4.1 4.1 2.9 Standby and Sleep 0.6 0.5 0.5 0.8 0.7 0.4 0.4 0.4 0.4 0.4 Environmental Specifications11 Temperature (°C, on the base casting) Operating12 0 to 65 0 to 65 0 to 65 0 to 65 0 to 65 0 to 65 0 to 65 0 to 65 0 to 65 0 to 65 Non-operating -40 to 70 -40 to 70 -40 to 70 -40 to 70 -40 to 70 -40 to 70 -40 to 70 -40 to 70 -40 to 70 -40 to 70 Shock (Gs) Operating (2 ms, read/write) 30 30 30 30 30 30 30 30 30 30 Operating (2 ms, read) 65 65 65 65 65 65 65 65 65 65 Non-operating (2 ms) 250 250 250 250 250 250 250 250 250 250 Acoustics (dBA)13 Idle 20 20 20 27 20 25 25 23 23 21 Seek (average) 29 29 29 29 29 28 28 24 24 22 Physical Dimensions Height (in./mm, max) 1.028/26.1 1.028/26.1 1.028/26.1 1.028/26.1 1.028/26.1 1.028/26.1 1.028/26.1 1.028/26.1 1.028/26.1 1.028/26.1 Length (in./mm, max) 5.787/147 5.787/147 5.787/147 5.787/147 5.787/147 5.787/147 5.787/147 5.787/147 5.787/147 5.787/147 Width (in./mm, ± .01 in.) 4/101.6 4/101.6 4/101.6 4/101.6 4/101.6 4/101.6 4/101.6 4/101.6 4/101.6 4/101.6 Weight (lb/kg, ± 10%) 1.46/0.66 1.43/0.65 1.43/0.65 1.58/0.715 1.43/0.65 1.65/0.75 1.50/0.68 1.40/0.64 1.32/0.60 0.99/0.45

¹ Up to 1.5M MTBF for 10TB and 12TB capacities (up to 1.0M MTBF ⁵ As used for storage capacity, one (GB) = one billion ⁷ Controlled unload at ambient condition. for lower capacities). MTBF specifications are based upon and one terabyte (TB) = one trillion bytes. Total accessible ⁸ Workload Rate is defined as the amount of user data transferred internal testing using a 40°C base casting temperature. MTBF capacity varies depending on operating environment. As used to or from the hard drive. Workload Rate is annualized (TB is based on a sample population and is estimated by statistical for buffer or cache, one megabyte (MB) = 1,048,576 bytes. As transferred x (8760 / recorded power-on hours)). Workload Rate measurements and acceleration algorithms. MTBF does not used for transfer rate or interface, megabyte per second (MB/s) will vary depending on your hardware and software components predict an individual drive’s reliability and does not constitute a = one million bytes per second, and gigabit per second (Gb/s) and configurations. warranty. = one billion bits per second. Effective maximum SATA 6 Gb/s ⁹ See http://support.wd.com/warranty for regional specific ² For capacities 4TB and higher. transfer rate calculated according to the Serial ATA specification warranty details. ³ As of April 2018 published by the SATA-IO organization as of the date of this 10 Power measurements at room-ambient temperature. ⁴ Not all products may be available in all regions of the world. specification sheet. Visit www.sata-io.org for details. 11 No non-recoverable errors during operating tests or after non- ⁶ WD hard drive products manufactured and sold worldwide operating tests. after June 8, 2011, meet or exceed Restriction of Hazardous 12 On the base casting. Substances (RoHS) compliance requirements as mandated by 13 Sound power level. the RoHS Directive 2011/65/EU.

5601 Great Oaks Parkway © 2018 Western Digital Corporation or its affiliates. All rights reserved. Produced 6/18. Western Digital, the San Jose, CA 95119, USA Western Digital logo, AllFrame 4K, IntelliSeek, F.I.T. Lab, HelioSeal and WD Purple are registered trademarks US (Toll-Free): 800.801.4618 or trademarks of Western Digital Corporation or its affiliates in the US and/or other countries. All other marks International: 408.717.6000 are the property of their respective owners. Product specifications subject to change without notice. Picture shown may vary from actual product. Not all products are available in all regions of the world. www.westerndigital.com

November 2018 2879-800012-A13